{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "DNA hybridization analysis revealed that both pigmented and nonpigmented cells of Y . pestis possess a DNA locus homologous to the Escherichia coli fur gene ."}
{"GENE": ["Escherichia coli fur gene"]}